331 W Walnut Ave, Monrovia, CA 91016 Property Records

Los Angeles County property record for 331 W Walnut Ave, Monrovia, CA 91016

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,753 sqft · built 1948
Lot Size0.182 acres (7,929 sqft)
Owner2 Company Names on Record
Last Sale$158,000 (Sep 1995)
Tax Bill$5,120 (2025)
Deeds & MortgagesMar 2024 Transfer
Flood ZoneZone X (minimal risk)
APN8506-002-017

Property Details

APN / Parcel Number

Primary APN8506-002-017

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,753 sqft Living Area

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1978
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeHip
Roof MaterialComposition Shingle
Lot Area7,929 sqft (0.182 acres)
Lot Dimensions160 ft deep x 50 ft wide

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Street Address331 W WALNUT AVE
CityMONROVIA
StateCA
Zip91016-3345
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeMORM*
Legal DescriptionJ D BICKNELLS ADD LOT 17 BLK D
Legal SubdivisionJ D BICKNELLS ADD TO MONROVIA
Legal BlockD
Legal Lot Number17
JurisdictionLOS ANGELES CA
Township / Civil DivisionUPPER SAN GABRIEL VALLEY
Census Block Group1
Census Block1005
Census Tract430901

Owner

Source: Los Angeles County records, as of August 25, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address331 W WALNUT AVE, MONROVIA, CA 91016-3345
Owner TypeCompany
VestingLife Tenant

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 26, 1995 · Amount on Record
Deed SaleSep 26, 1995 · Amount on Record
Deed Document Number19951558514
Last Transfer DateSep 11, 2009
Transfer Doc0001465641
Record UpdatedOct 29, 2026

March 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionLOS ANGELES CA
Recording DateMar 15, 2024
Property Address331 W WALNUT AVE, MONROVIA, CA 91016-3345
Document Number0000171413
Map ReferenceMB 28 PG 78
Instrument DateFeb 25, 2024
Instrument24-0171413
Transaction TypeTransfer
Record UpdatedApr 1, 2024

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Living Trust
Address331 W WALNUT AVE, MONROVIA, CA 91016-3345

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
MunicipalityMonrovia City
Unified School DistrictMonrovia Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$350,761 (+2%) Land $161,639 Building $189,122
2025$5,120.00 (+6.51%)$343,885 (+4.04%) Land $158,470 Building $185,415
2023$4,807.00 (+2.87%) Homeowner's exemption$330,544 Land $152,317 Building $178,227
2022$4,673.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 98% of the US · lower than 98.4% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMONROVIA-CITY, WATER DEPT.
serves 37,931 people · EPA ID CA1910090
Water SourceGroundwater
Last State InspectionSep 2024
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 651 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber
5,000 / 5,000
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Giggle Fiber
Cable · Fiber in parts of the area
1,000 / 40
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: GeoLinks, Verizon.

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